CVE-2026-103267
Published:October 01, 2026
Updated:October 10, 2026
Ghost versions before 6.62.0 contain an authentication bypass vulnerability in staff invite acceptance that allows users to specify any email address when creating their account. Attackers can accept leaked invite tokens with attacker-controlled email addresses, or legitimate recipients can register with unintended email providers.
Affected Packages
https://github.com/TryGhost/Ghost.git (GITHUB):
Affected version(s) >=v6.0.0-alpha.0 <v6.62.0Fix Suggestion:
Update to version v6.62.0ghost (NPM):
Affected version(s) >=6.0.0-alpha.1 <6.62.0Fix Suggestion:
Update to version 6.62.0Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Reliance on Untrusted Inputs in a Security Decision
EPSS
Base Score:
0.26